Display screen or portion thereof with a group of graphical user interfaces



The FIGURE is a front view of a display screen or portion thereof withgroup of graphical user interfaces showing the claimed design.

The outermost broken lines in the FIGURE show a display screen orportion thereof, and form no part of the claimed design. The otherbroken lines in the FIGURE show portions of the group of graphical userinterfaces that form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha group of graphical user interfaces, as shown and described.